Tunnel Emergency Telephone Intercom System Solution

The tunnel emergency telephone intercom system, as a vital component of the safety communication infrastructure, serves as an emergency contact bridge between people inside the tunnel and the outside world, enabling timely transmission of critical information and facilitating efficient rescue operations.

Project Background

Tunnels play a critical role in modern transportation, but their enclosed environment poses safety risks such as traffic accidents, fires, and equipment failures. In such situations, a fast and reliable communication system is essential to ensure personnel safety and minimize property damage. The tunnel emergency telephone intercom system, as a vital component of the safety communication infrastructure, serves as an emergency contact bridge between people inside the tunnel and the outside world, enabling timely transmission of critical information and facilitating efficient rescue operations.

Requirements Analysis

Communication Reliability

The tunnel environment is complex, with signals easily affected by interference and attenuation. A highly reliable system is required to ensure stable and clear calls under extreme conditions.

Rapid Response

The system must react quickly during emergencies, enabling fast connection between emergency phones and the dispatch center, minimizing delays to maximize rescue time.

Compatibility

The system should seamlessly integrate with existing tunnel monitoring, fire protection, and other systems to facilitate information sharing and improve overall emergency response capabilities.

Scalability

The system must accommodate increasing traffic volumes and tunnel expansions, easily handling additional devices and features while flexibly adapting to changing operational needs.

Design basis

The Dongfang Junke solution addresses the tunnel’s long, narrow, and complex environment by building a three-layer
emergency telephone intercom system to ensure instant communication and emergency response:

Dispatch Console

The system’s core control hub, operated by professionals. Connected reliably to the SIP server via dispatch software, it efficiently answers and handles emergency calls inside the tunnel, enabling real-time two-way communication and command issuance to support emergency command.

Dispatch Software

The core application offering an intuitive interface to display real-time status of emergency calls, supporting call answering, hanging up, transferring, and recording for subsequent query and analysis.

SIP Server

Acts as the signaling control center, managing registration info of emergency phones inside and outside the tunnel and dispatch consoles, precisely processing call routing and signaling, quickly forwarding calls to target devices to ensure smooth, efficient communication.

Fiber Optic Telephone Access Host:

Installed inside and outside the tunnel, connecting the communication network via fiber optic lines, responsible for integrating tunnel emergency phones into the fiber network to transmit voice signals. Supports multiple interfaces and protocols to ensure system stability.

External Tunnel Emergency Phones

Located at key points such as tunnel exits and toll stations, connected to the SIP server via network, enabling staff to communicate with personnel inside the tunnel and the dispatch center in emergencies, ensuring timely and accurate information exchange.

Internal Tunnel Emergency Phones

Installed at reasonable intervals along the tunnel wall, connected through fiber optic lines to the access host and external network. They feature waterproof, dustproof, and shockproof characteristics, ensuring stable operation in harsh environments for personnel emergency calls.

Broadcast Speakers

Installed inside the tunnel, connected via cables to the emergency phones. Dispatchers can control broadcast content and volume via dispatch software, promptly issuing emergency notifications, rescue instructions, and other critical information to personnel within the tunnel.

Solution design and system architecture

The Dongfang Junke solution addresses the tunnel’s long, narrow, and complex environment by building a three-layer emergency telephone intercom system to ensure instant communication and emergency response:

System Features

High Reliability

Adopting advanced fiber optic communication technology and stable SIP protocol, combined with comprehensive redundancy design, the system ensures stable communication in complex tunnel environments. Even if some devices fail, the overall operation remains unaffected, guaranteeing continuous emergency communication.

Rapid Response

The system can respond to tunnel emergency calls and establish connections within a very short time, significantly reducing call delay, thus saving precious rescue time and improving efficiency.

Strong Compatibility

Supports multiple communication protocols and interfaces, seamlessly integrates with existing tunnel monitoring, fire control, and other systems, enabling information sharing and interaction. This enhances the overall effectiveness of safety management systems and provides comprehensive information support for emergency handling.

Scalability

Modular design allows easy addition of devices and functions to accommodate tunnel expansions and increased traffic volume. Supports remote upgrades and maintenance, reducing maintenance costs and complexity, improving manageability and sustainability.

Ease of Operation

The dispatch console features an intuitive and user-friendly interface with practical functions. Dispatch personnel can operate it proficiently after simple training, efficiently handling calls and broadcasting tasks, minimizing human error, and ensuring stable operation and efficient management of the system.

Classic case recommendation

No related content

Share real-time
news with you

We inform you about new solutions, case studies,
cybersecurity and new products.

Tunnel Emergency Telephone Intercom System Solution

Project Background